Plastic pollution: Can seaweed end problem?
A man who was horrified by the depiction of plastic-polluted oceans on the BBC's Blue Planet TV series started a company making a reusable and compostable plastic alternative.
David Hughes' firm, Happy Dolphin in Wrexham, makes carrier bags and other items using calcium carbonate - the same material found in eggshells.
Image: Shane Stagner, Unsplash
